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| author | Eric Sandeen <sandeen@redhat.com> | 2012-11-08 10:33:36 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-11-08 10:33:36 -0500 |
| commit | b72f78cb63fb595af63fc781dced0a6fd354e572 (patch) | |
| tree | 2ec6d7aee78d222b82adaa336cf7b6301efff194 /fs/ext4/super.c | |
| parent | ffb5387e85d528fb6d0d924abfa3fbf0fc484071 (diff) | |
| download | op-kernel-dev-b72f78cb63fb595af63fc781dced0a6fd354e572.zip op-kernel-dev-b72f78cb63fb595af63fc781dced0a6fd354e572.tar.gz | |
ext4: fix overhead calculations in ext4_stats, again
"overhead" was a write-only variable in this function after commit
952fc18e; we set it to 0 for minixdf, or to sbi->s_overhead if !minixdf,
but never read it again after that.
We need to use it, not sbi->s_overhead, when subtracting out overhead
for f_blocks, or we get the wrong answer for minixdf.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 80928f7..1982d3c 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4790,7 +4790,7 @@ static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_type = EXT4_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; - buf->f_blocks = ext4_blocks_count(es) - EXT4_C2B(sbi, sbi->s_overhead); + buf->f_blocks = ext4_blocks_count(es) - EXT4_C2B(sbi, overhead); bfree = percpu_counter_sum_positive(&sbi->s_freeclusters_counter) - percpu_counter_sum_positive(&sbi->s_dirtyclusters_counter); /* prevent underflow in case that few free space is available */ |
